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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/GC/regress-324278.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/GC/regress-324278.js')
-rw-r--r-- | js/src/tests/non262/GC/regress-324278.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/tests/non262/GC/regress-324278.js b/js/src/tests/non262/GC/regress-324278.js new file mode 100644 index 0000000000..56996994d2 --- /dev/null +++ b/js/src/tests/non262/GC/regress-324278.js @@ -0,0 +1,63 @@ +// |reftest| skip -- slow, obsoleted by 98409 fix +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +//----------------------------------------------------------------------------- +var BUGNUMBER = 324278; +var summary = 'GC without recursion'; +var actual = 'No Crash'; +var expect = 'No Crash'; + +printBugNumber(BUGNUMBER); +printStatus (summary); + +// Number to push native stack size beyond 10MB if GC recurses generating +// segfault on Fedora Core / Ubuntu Linuxes where the stack size by default +// is 10MB/8MB. +var N = 100*1000; + +function build(N) { + // Exploit the fact that (in ES3), regexp literals are shared between + // function invocations. Thus we build the following chain: + // chainTop: function->regexp->function->regexp....->null + // to check how GC would deal with this chain. + + var chainTop = null; + for (var i = 0; i != N; ++i) { + var f = Function('some_arg'+i, ' return /test/;'); + var re = f(); + re.previous = chainTop; + chainTop = f; + } + return chainTop; +} + +function check(chainTop, N) { + for (var i = 0; i != N; ++i) { + var re = chainTop(); + chainTop = re.previous; + } + if (chainTop !== null) + throw "Bad chainTop"; + +} + +if (typeof gc != "function") { + gc = function() { + for (var i = 0; i != 50*1000; ++i) { + var tmp = new Object(); + } + } +} + +var chainTop = build(N); +printStatus("BUILT"); +gc(); +check(chainTop, N); +printStatus("CHECKED"); +chainTop = null; +gc(); + +reportCompare(expect, actual, summary); |